{"api_version":"1","generated_at":"2026-07-23T12:06:50+00:00","cve":"CVE-2026-9494","urls":{"html":"https://cve.report/CVE-2026-9494","api":"https://cve.report/api/cve/CVE-2026-9494.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-9494","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-9494"},"summary":{"title":"ubuntu-pro-client Information Disclosure via Cleartext Bearer Token Exposure in Process Command Line","description":"An information disclosure vulnerability exists in Canonical ubuntu-pro-client (formerly ubuntu-advantage-tools). The client validates Ubuntu Pro APT credentials by executing /usr/lib/apt/apt-helper using the download-file command. During this process, the secret bearer token is embedded directly in\nthe cleartext URL component passed via the command-line arguments (argv), resulting in a URL format such as https://bearer:<token>@esm.ubuntu.com/.../. On systems utilizing a default-mounted /proc file system where process-hiding mitigations (such as hidepid) are disabled, an unprivileged local attacker can\nmonitor system processes and read the sensitive bearer token directly from /proc/cmdline while the helper process is actively running. This leaked token can subsequently be used to gain unauthorized access to the victim's Ubuntu Pro or Expanded Security Maintenance (ESM) repositories.","state":"PUBLISHED","assigner":"canonical","published_at":"2026-07-16 13:16:34","updated_at":"2026-07-16 16:19:16"},"problem_types":["CWE-214","CWE-214 CWE-214 Invocation of process using visible sensitive 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